JP5986565B2 - 音声符号化装置、音声復号装置、音声符号化方法及び音声復号方法 - Google Patents

音声符号化装置、音声復号装置、音声符号化方法及び音声復号方法 Download PDF

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JP5986565B2
JP5986565B2 JP2013519367A JP2013519367A JP5986565B2 JP 5986565 B2 JP5986565 B2 JP 5986565B2 JP 2013519367 A JP2013519367 A JP 2013519367A JP 2013519367 A JP2013519367 A JP 2013519367A JP 5986565 B2 JP5986565 B2 JP 5986565B2
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band
signal
encoding
restriction
extension
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JPWO2012169133A1 (ja
Inventor
勝統 大毛
勝統 大毛
押切　正浩
正浩 押切
江原　宏幸
宏幸 江原
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Panasonic Intellectual Property Corp of America
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H04B1/667—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using a division in frequency subbands
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0204—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP2013519367A 2011-06-09 2012-05-25 音声符号化装置、音声復号装置、音声符号化方法及び音声復号方法 Active JP5986565B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2011129428 2011-06-09
JP2011129428 2011-06-09
JP2011172393 2011-08-05
JP2011172393 2011-08-05
PCT/JP2012/003409 WO2012169133A1 (fr) 2011-06-09 2012-05-25 Dispositif de codage vocal, dispositif de décodage vocal, procédé de codage vocal et procédé de décodage vocal

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JPWO2012169133A1 JPWO2012169133A1 (ja) 2015-02-23
JP5986565B2 true JP5986565B2 (ja) 2016-09-06

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JP2013519367A Active JP5986565B2 (ja) 2011-06-09 2012-05-25 音声符号化装置、音声復号装置、音声符号化方法及び音声復号方法

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US (1) US9264094B2 (fr)
EP (1) EP2709103B1 (fr)
JP (1) JP5986565B2 (fr)
WO (1) WO2012169133A1 (fr)

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CN104681032B (zh) * 2013-11-28 2018-05-11 中国移动通信集团公司 一种语音通信方法和设备
US9697843B2 (en) 2014-04-30 2017-07-04 Qualcomm Incorporated High band excitation signal generation
WO2020003727A1 (fr) 2018-06-28 2020-01-02 ソニー株式会社 Dispositif de décodage, procédé de décodage et programme
CN112313603B (zh) 2018-06-28 2024-05-17 索尼公司 编码装置、编码方法、解码装置、解码方法和程序
US11823557B2 (en) 2018-07-03 2023-11-21 Sony Corporation Encoding apparatus, encoding method, decoding apparatus, decoding method, transmission system, receiving apparatus, and program
KR20250129118A (ko) * 2018-08-08 2025-08-28 소니그룹주식회사 복호 장치, 복호 방법, 프로그램
US20230110255A1 (en) * 2021-10-12 2023-04-13 Zoom Video Communications, Inc. Audio super resolution

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Also Published As

Publication number Publication date
US9264094B2 (en) 2016-02-16
EP2709103B1 (fr) 2015-10-07
WO2012169133A1 (fr) 2012-12-13
EP2709103A1 (fr) 2014-03-19
JPWO2012169133A1 (ja) 2015-02-23
US20140122065A1 (en) 2014-05-01
EP2709103A4 (fr) 2014-03-26

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